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Sphere Solutions is seeking a Freelance Site Manager for the Margam Connection Project at Port Talbot. The role covers building envelopes, structural cladding, weatherproofing, and roofing for a 275kV GIS substation at the Tata Steel boundary.
Contract duration is 5 months from November 2026 to March 2027, with a focus on coordinating specialist trades, enforcing H&S, and delivering quality handover files. Applicants should have SMSTS, CSCS Black Card, NVQ Level 6, and First Aid at Work.
Freelance Site Manager (Building Envelope & Infrastructure)
Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates.
Position: Freelance Site Manager
Project Location: Port Talbot
Contract Duration: 5 Months (Start: November 2026 – End: March 2027)
The Margam Connection Project is a critical National Grid upgrade delivering the essential high-voltage infrastructure required to support the decarbonisation and transition to green steel production at the Port Talbot Tata Steel plant.
This specific 5-month freelance role spans the peak winter installation window. It focuses heavily on managing the building envelopes, structural cladding, weatherproofing, and specialist roofing for the massive new 275kV Gas Insulated Switchgear (GIS) substation halls being erected at the Margam and Tata Steel boundaries.
Essential